Endo Senior Member Joined: 26 Jun 2008 Posts: 804 Location: , location, location. Expertise: I love coffee
Espresso: machine is < important than... Grinder: !
Posted Sat May 26, 2012, 11:17am Subject: LeLit PL041 Pressure Swings
Here's a 1 year old PL041 which is having wide swings in pressure (only when loaded with coffee). I suspect OPV, though it could be the pump (pretty sure it's not electrical).
alanfrew Senior Member Joined: 19 Dec 2001 Posts: 596 Location: Melbourne Expertise: Professional
Posted Sun Jun 17, 2012, 3:20am Subject: Re: LeLit PL041 Pressure Swings
Lelit supplies blind filters with all the machines we purchase, so you can draw your own conclusions about suppliers who tell you not to. My PL041 instructions are here http://www.coffeeco.com.au/pl041_instructions.html .
Same for the Silvia. I think they just don't want amateurs backflushing. Some dummy always finds a way to hurt himself, regardless of what type of machine is being serviced.
From what I saw in the group head of this LeLit after only one year of one-shot-a-day use, I'd definitely recommend AT LEAST removing the group screen once every 2 weeks and soaking it in detergent along with the basket. (Check if you can see through all the holes in your screen and basket). Backflush at least once a month after cleaning under the screen, and descale once a year.
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